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Individual Calculations May 2023 |
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| Gamal, Alaa Total change: -4.40 | |   |
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| 65th Southend Easter Congress - Open | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1756 | 0.50 | 3 | -0.22 | 20 | -4.40 | |
|  Britton, Richard L | f | | 2106 | ENG | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Williamson, Kevin J | | | 1884 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Brunello, Roberta | | | 1924 | ITA | 0.00 | 1 | -0.28 | 20 | -5.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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